![O93P1 - 1873 90c Official Mail Stamp -War, rose O93P1 - 1873 90c Official Mail Stamp -War, rose](https://cdn11.bigcommerce.com/s-9xwo1raw7u/images/stencil/500x659/products/91011/70203/USA-O93P1__87315.1711071235.jpg?c=1)
1873 90c Official Mail Stamp -War, rose
# O93P4 - 1873 90c Official Mail Stamp -War, rose
$7.50 - $12.00
Official Mail Stamps- Missing From Many Collections
Official Mail stamps, also known as departmental stamps, were developed in the 19th century as a means of accounting for postage on mail sent by various federal departments. These are a neat area of philately, and would make a great addition to your U.S. collection.
Official Mail Stamps- Missing From Many Collections
Official Mail stamps, also known as departmental stamps, were developed in the 19th century as a means of accounting for postage on mail sent by various federal departments. These are a neat area of philately, and would make a great addition to your U.S. collection.